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190500361 is a prime number
BaseRepresentation
bin10110101101011…
…00111000001001
3111021110102100221
423112230320021
5342232002421
630523030041
74502140432
oct1326547011
9437412327
10190500361
1198594817
125396b321
133060c40c
141b42c489
1511ace841
hexb5ace09

190500361 has 2 divisors, whose sum is σ = 190500362. Its totient is φ = 190500360.

The previous prime is 190500347. The next prime is 190500367. The reversal of 190500361 is 163005091.

190500361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188540361 + 1960000 = 13731^2 + 1400^2 .

It is a cyclic number.

It is not a de Polignac number, because 190500361 - 215 = 190467593 is a prime.

It is a super-2 number, since 2×1905003612 = 72580775082260642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190500367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95250180 + 95250181.

It is an arithmetic number, because the mean of its divisors is an integer number (95250181).

Almost surely, 2190500361 is an apocalyptic number.

It is an amenable number.

190500361 is a deficient number, since it is larger than the sum of its proper divisors (1).

190500361 is an equidigital number, since it uses as much as digits as its factorization.

190500361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 190500361 is about 13802.1868194863. The cubic root of 190500361 is about 575.3939188578.

The spelling of 190500361 in words is "one hundred ninety million, five hundred thousand, three hundred sixty-one".